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Explore our collection of practical guides on design patterns, framework tutorials, coding challenges, and developer tools. Each article is crafted to help you level up your development skills with clear explanations and real-world examples.
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All Spring Annotations ASAP Cheat Sheet [Core+Boot][2023]
Updated:Spring annotation cheat sheet Nowadays, there are so many spring annotations that it could become overwhelming. Spring Framework started out with…
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Demystifying Java Interfaces: A Comprehensive Guide to Code to Interface [2 Examples]
Updated:Today we will discuss an important Java concept; Code To Interface. In the vast realm of Java programming, the concept of interfaces stands as a powerful and ve
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Mastering Object-Oriented Design with SOLID Principles in Java
Updated:Explore the power of SOLID principles in Java for robust and maintainable code. Dive into Single Responsibility, Open/Closed, Liskov Substitution, Interface Seg
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Vertical and Horizontal Database Sharding: A Comprehensive Comparison With Easy Analogy
Updated:Today we will discuss “Vertical and Horizontal Database Sharding”. In the realm of database management, scalability and performance are often of par
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Spring Boot @Valid vs @Validated: An Easy In-Depth Comparison
Updated:Today we will be talking about “Spring Boot @Valid vs @Validated”. When it comes to building web applications, it’s essential to handle input
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An Easy Step-By-Step Guide to Changing Server Port in a Spring Boot Application [4 ways]
Updated:By default, Spring Boot applications use port 8080. However, there are scenarios where you might need to change this port, such as avoiding port conflicts or ru
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Abstract Factory Design Pattern Java Real World Example
Updated:Abstract Factory Design Pattern Abstract Factory Design Pattern is one of the Creational pattern and almost similar to Factory Method Pattern except because it’
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16 Java String Wrapper Class Quiz Important Questions [MCQ]
Updated:16 Java String Wrapper Class Quiz Important Questions Multiple Choice Hello learners, we have created a Java String Wrapper Class Quiz MCQ to help you…
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20 Java Regular Expressions Quiz Regex Important Questions [MCQ]
Updated:Java Regular Expressions Quiz Regex Questions We have brought some Java Regular Expressions Quiz Regex Questions to test your Regex Knowledge. If you need to
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Robot Return to Origin – LeetCode Simple Java Solution
Updated:Today we will be solving the Leetcode question “Robot Return to Origin” from the easy category. Problem Statement There is a robot starting at position…
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Reverse Words in a String III – LeetCode Java 8 Solution
Today we will be solving the Leetcode question “Reverse Words in a String III” from the easy category. Problem Statement Given a string s, reverse the…
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Merge Strings Alternately – Leetcode Java Solution
Today we will be solving the Leetcode question “Merge Strings Alternately” from the easy category. Problem Statement You are given two strings word1 and word2.
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Kids With the Greatest Number of Candies – Leetcode Java Solution
Updated:Today we will be solving the Leetcode question “Kids With the Greatest Number of Candies” from the easy category. Problem Statement Given the array
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Tomcat vs JBoss – Ultimate Comparison of Java App Servers [2021]
Tomcat vs JBoss – Ultimate Comparison Tomcat, as well as JBoss, seem to be two of the world’s most successful applications or web servers. They̷
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21 Most Common Git Commands Every Developer Should Know [Example Tutorial]
Updated:Most Common Used Git Commands to make Developer’s life easier with a Cheatsheet Git is everywhere. Git has made the lives of developers and DevOps…
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13 Most Basic Docker Commands Every Developer Should Know
Updated:In 2020, every developer is expected to know at least some of the Most Basic Docker Commands. Developers should know how to write a dockerfile and must be able
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Simple Guide To Dockerize Java Application Maven With Dockerfile [2020]
Updated:How To Dockerize Java Application Maven with Dockerfile Dockerize Java Application Maven: In this tutorial, we will dockerize a basic Java maven(quickstart) app
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Most Important Spring Boot Interview Questions [2020]
Updated:Spring Boot Interview Questions: Spring has become undoubtedly the most famous framework among Java developers. Spring comes with a lot of configurations and to
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Reverse An Integer In Java 8 – Simple Code Example
Reverse An Integer In Java Reverse an Integer in Java is a part of our Java code examples series. This is a very common question…
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Builder Design Pattern Java Real World Example
Updated:Builder Design Pattern The Builder Design Pattern is a classic Gang of Four creational design pattern. Unlike Pattern Design pattern, the Builder Design Pattern
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21 Basic Linux Commands Every Developer Must Know [2019]
Updated:Most Useful Linux Commands For Developer Cheat Sheet Included Basic Linux Commands: In 2019, it doesn’t matter which language you choose for development,
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Composite Design Pattern Java Code Case Study
Updated:Composite Design Pattern Composite Design Pattern is a Structural Design Pattern that comes in the picture when we have a part-whole relationship. Part-whole re
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Singleton Creational Design Pattern Java Explained [6 Code Example]
Updated:Singleton Creational Design Pattern Singleton Creational Design Pattern is a part of the classic Gang Of Four Creational Design Patterns. These deal with the cr
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How is Java Pass by Value and Not by Reference [4 Examples]
Updated:Java Pass by Value and Not by Reference There is a common confusion in Java Developers especially who have worked with C/C++, whether Java is…
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All About Java Regular Expressions Regex 2019
Updated:Regular Expression i.e Regex is common in every predominant programming language, let it be JavaScript, Python or PHP. A regular expression, regex or regexp is&
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Top 40 Agile Scrum Popular Interview Questions
Updated:Agile Scrum Interview Questions Agile Scrum is the best methodology to meet today’s demand for accurate projects. Agile is used in almost the majority of…
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Adapter Design Pattern Java Real World Example [2 Implementations]
Updated:Adapter Design Pattern Adapter design pattern is one of the classic Gang of Four structural design patterns. As the name suggests, we use Adapter Design pattern
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Factory Method Design Pattern Java Simple Detailed Examples
Updated:Factory Method Design Pattern Java Factory Method design pattern also known as “Virtual Constructor” is a part of Gang of Four Creational Design Pat
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Factory Design Pattern Java Simplified [Simple Real World Example]
Updated:Factory Design Pattern Java Factory Design Pattern is one of the most used design pattern in Modern System Development. In Factory Design Pattern, Whenever clie
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Prototype Design Pattern Java Real World Example
Updated:Prototype Design Pattern Prototype Design Pattern is one of the classic Gang of Four Creational Design pattern. Prototype Design pattern is used when the Object